* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-size: 18px;
    font-family: sans-serif;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    background-color: #e7e4e4;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.title {
    margin-bottom: 25px;
}

.button:not(:last-child) {
    margin-bottom: 25px;
}

.calc-button {
    height: 100px;
    width: 100px;
    color: #020000;
    border-radius: 50%;
    background-color: #7fb0d5;
    margin-bottom: 35px;
}

.input-calc {
    width: 100px;
    height: 100px;
    color: #020000;
    border-radius: 50%;
    background-color: #7fb0d5;
}

.random {
    width: 100px;
    height: 100px;
    color: #020000;
    border-radius: 50%;
    background-color: #7fb0d5;
}